| From: | John Marchant |
| Date: | 20 Jul 2000 at 02:53:42 |
| Subject: | Re: A3000s and CD-ROMs |
Hi Nick. In a message on 19-Jul-00 14:41:53, you wrote:
>Secondly, upgrading this SCSI controller chip would be a nice idea, is it a
>standard plug-in chip, are these called DIL packages is it? And also where
>can these upgraded chips be purchased from?
Yes, it's a plug-in chip. They were made by Western Digital, and
the chip number is WD33C93. There will be a revision number,
probably a suffix to the chip number. The following is a clip from
a message in my archives. The information is about 6 months old.
Western no longer make chips, but a firm named AMD sell them. I
was sent the following information from a friend who tracked them
down for me. I think he found them on the web. Try _AMD.com_.
AMD SCSI CHIPS
--------------
- AM33C93A SCSI chips for the A3000
- direct replacement for the -08 WD (Western Digital)
- upgrade that old -04 PROTO and rid yourself of errors
-------------------------------------------------------
PRICE : $18.00 US ($25.00 CDN) + shipping
If you do need and track down the chip, make sure you get revision
8, as earlier revisions are unreliable - as I discovered. Under the
chip number printed on it you should see 00-08. I can tell you
definitely that revision 2 (00-02) is very buggy, as I had one.
Hope this helps. John
By the time I think I've got the answer I've forgotten the question.
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